CN106497438A - A kind of attaching capacitive touch screens photo-thermal dual curable optical adhesive - Google Patents
A kind of attaching capacitive touch screens photo-thermal dual curable optical adhesive Download PDFInfo
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- CN106497438A CN106497438A CN201610988245.9A CN201610988245A CN106497438A CN 106497438 A CN106497438 A CN 106497438A CN 201610988245 A CN201610988245 A CN 201610988245A CN 106497438 A CN106497438 A CN 106497438A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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Abstract
A kind of attaching capacitive touch screens photo-thermal dual curable optical adhesive, its are grouped into by the following group that calculates in percentage by weight：Matrix resin 30% 50%；Resin of plastification 30% 50%；Activated monomer 10% 35%；Light trigger 1% 5%；Thermal initiator 1% 5%；Polymerization inhibitor 0.1 1%；Auxiliary agent 0.2% 2%；This can carry out photo-thermal dual curable for attaching capacitive touch screens with photo-thermal dual curable optical adhesive, good have the advantages that high index of refraction, high transmission rate, low colour brightness, soft, low cure shrinkage, good reliability and anti-yellowing property.
Description
Technical field
The invention belongs to field of adhesive technology, and in particular to a kind of attaching capacitive touch screens photo-thermal dual curable light
Learn adhesive.
Background technology
With the fast development of information industry, produce in electronics such as mobile phone, notebook computers in particular with touch screen technology
Application and explosive growth in product, also so that touch screen technology obtains development at full speed and is widely applied.
Attaching capacitive touch screens Liquid optical adhesive is mainly used for eyeglass and sensor in capacitive touch screen
Bonding, and touch panel is bonding with display, it is necessary to meet certain requirement, such as：Water white transparency；In specified light
In ripple wave band, light transmission rate is more than more than 98%；And the refractive index of cured glue stick and the refractive index phase by viscous optical element
Closely, 1.52 are reached；After solidification, hardness is little, elongation percentage Datong District when cure shrinkage little, the change of element surface will not be caused；Cold-resistant
Thermal shock, wet and heat ageing resistant, color inhibition, light aging resisting；Harmless or hypotoxicity etc..
In capacitive touch screen（Referred to as：CTP, Capacity Touch Panel）In structure, meeting on sensor Sensor
There are metal auxiliary electrode and FPC（Referred to as：FPC）Etc. opaque structure, black or white on cover plate Lens frames, is had
Color black out ink, the liquid optical cement that its stop to ultraviolet light can prevent the part may result in the portion from solidifying, so
The bonding of separation structure is with hidden danger, and the side lamp curing process that part producer adopts at present, and because glue-line depth is irradiated more deeply
Area is very little and be unable to completion of cure, it is impossible to reach preferable adhesive effect, while increased the operation of one complexity again, non-
Often uneconomical.So liquid optical cement can not receive ultraviolet light in CTP on the premise of photocuring is bulk cured
Part can be solved the above problems very well using photo-thermal dual curable mode.So photo-thermal dual curable have larger demand and
Meaning.
Existing a small amount of appearance on the product market of such photo-thermal dual curable optical adhesive at present, is concentrated mainly on association
In the handss of company such as vertical, Sony, Du Pont, Le Tai, the domestic more ripe product also without better performances, but its such light
The product of hot dual cure optical adhesive mainly photocuring reaction system and on the basis of introduce other reactive groups, such as ring
Oxygen groups, organosilicon radical and NCO group etc..Architecture is complex, and functional group's utilization rate is not high, is easily caused double bond
Remnants, have large effect to optical cement performance.
Content of the invention
The technical problem to be solved in the present invention is：Photo-thermal dual curable technology is overcome to need asking for two kinds of reactive functionalities
Topic, only with acrylic double bond as curing functional groups, has simplified recipe ingredient, it is to avoid the residual of functional group, has improve system official
Utilization rate can be rolled into a ball, so as to realize the photo-thermal dual curable of liquid optical cement.Modified existing resin, completes a kind of capacitive touch simultaneously
The preparation of screen laminating photo-thermal dual curing adhesive is touched, and the transmitance of the adhesive is more than or equal to 99%, refractive index after solidification
It is more than or equal to 1.52, shrinkage factor is less than or equal to 0.5%, and shore A type hardness tester is less than or equal to 20.
In order to solve above-mentioned technical problem, the present invention proposes technical scheme below：A kind of attaching capacitive touch screens are used up
Hot dual cure optical adhesive, is grouped into by the following group that calculates in percentage by weight：Matrix resin 30%-50%, plasticising
Resin 30%-50%, activated monomer 10%-35%, light trigger 1%-5%, thermal initiator 1%-5%, polymerization inhibitor 0.1-1%, auxiliary agent
0.2%-2%；
The matrix resin is modified isoprene liquid rubber resin, and which is obtained by dihydroxylic alcohols and isoprene rubber are modified,
Its preparation method is：There is single-esterification, reaction using the-COOH in the polyisoprene liquid rubber of screening with dihydroxylic alcohols
Fall-the COOH in polyisoprene liquid rubber, reduce its corrosivity, at the same hydroxy-end capped, improve the adhesive force of resin；
The resin of plastification is polybutadiene liquid rubber；
The activated monomer is the one kind in following material or is two or more mixture：Hydroxyethyl methacrylate
Ethyl ester, Hydroxypropyl methacrylate, isobornyl acrylate, lauric acid acrylate, 3,3,5- trimethyl-cyclohexane acrylic acid
Ester, 1,6 hexanediol diacrylate, acrylic acid DCPA；
The light trigger is the one kind in following material or is two or more mixture：Cracking reaction class light
Initiator benzoin and its derivant, acetophenone derivs, acylphosphine oxide；The light trigger hexichol first of hydrogen elimination reaction mechanism
Ketone and tertiary amine coordination compound, thioxanthone and its derivant, double imidazoles；The high-molecular optical of oligomeric polyfunctional group-a- hydroxy-ketones causes
Agent；Visible light initiator camphorquinone；
The thermal initiator is the one kind in following material or is two or more mixture：Peroxide causes
Agent, azo-initiator；
The peroxide initiator is the one kind in following material or is two or more mixture：Peroxidating
Benzoyl, lauroyl peroxide, isopropyl benzene hydroperoxide, tert-butyl hydroperoxide, di-t-butyl peroxide, peroxidating diisopropyl
Benzene, peroxidized t-butyl perbenzoate, peroxidating trimethylacetic acid tertiary butyl ester, methyl ethyl ketone peroxide, cyclohexanone peroxide, peroxidating two
Diisopropyl carbonate, di-cyclohexylperoxy di-carbonate；
The azo-initiator is the mixture azodiisobutyronitrile of the one or two kinds of in following material, two different heptan of azo
Nitrile；
The polymerization inhibitor is the one kind in following material or is two or more mixture：Phenolic inhibitor, quinones
Polymerization inhibitor；
The phenolic inhibitor is the one kind in following material or is two or more mixture：Phenol, to benzene two
Phenol, 2,4-DNP, 2,6- dinitro p-cresols, 4- tert-butyl catechols；
The quinones polymerization inhibitor is the one kind in following material or is two or more mixture：1,4-benzoquinone, tetrachloro
Benzoquinone, l, 4- naphthoquinone；
The auxiliary agent is the one kind in following material or is two or more mixture：Defoamer, levelling agent；
The defoamer is in MTMS, three ethoxy acyloxy silane of vinyl or hexa methoxy disilazane
Kind；
The levelling agent be esters of acrylic acid levelling agent, be polyacrylate solution, nonionic acrylic copolymer solution, from
One kind in subtype polyacrylate solution or fluorine richness polyacrylate solution.
The further restriction of above-mentioned technical proposal is that the matrix resin is modified isoprene liquid rubber resin,
Which is that ethylene glycol is modified with isoprene rubber is obtained, and its preparation method is：In polyisoprene liquid rubber using screening
- COOH and ethylene glycol there is single-esterification, react away-the COOH in polyisoprene liquid rubber, reduce its corrosivity,
Simultaneously hydroxy-end capped, improve the adhesive force of resin.
The further restriction of above-mentioned technical proposal is, attaching capacitive touch screens photo-thermal dual curable optical cement
Refractive index 1.52-1.53 of stick, light transmittance >=99.0%, shrinkage factor 0-0.5%, shore A type hardness tester≤20.
In order to solve above-mentioned technical problem, the present invention proposes technical scheme below：Described attaching capacitive touch screens are used
The preparation method of photo-thermal dual curable optical adhesive, comprises the following steps：
Step 1：According to percentage by weight, weigh matrix resin 30%-50%, resin of plastification 30%-50%, activated monomer 10%-35%,
Light trigger 1%-5%, thermal initiator 1%-5%, polymerization inhibitor 0.1-1%, auxiliary agent 0.2%-2%；
Step 2：Amount of activated monomer is taken, is first mixed with light trigger and polymerization inhibitor, ultrasonic disperse is uniform, add reactor；With
When take amount of activated monomer, mix with thermal initiator, high-speed stirred is uniformly dispersed, add reactor；Simultaneously by remaining activity
Monomer adds reactor with matrix resin, resin of plastification and auxiliary agent, stirs 2-3 hours, until stirring；
The matrix resin is modified isoprene liquid rubber resin, and which is that dihydroxylic alcohols are modified with isoprene rubber is obtained,
Its preparation method is：There is single-esterification, reaction using the-COOH in the polyisoprene liquid rubber of screening with dihydroxylic alcohols
Fall-the COOH in polyisoprene liquid rubber, reduce its corrosivity, at the same hydroxy-end capped, improve the adhesive force of resin.
The further restriction of above-mentioned technical proposal is that the matrix resin is modified isoprene liquid rubber resin,
Which is that ethylene glycol is modified with isoprene rubber is obtained, and its preparation method is：In polyisoprene liquid rubber using screening
- COOH and ethylene glycol there is single-esterification, react away-the COOH in polyisoprene liquid rubber, reduce its corrosivity,
Simultaneously hydroxy-end capped, improve the adhesive force of resin.
The further restriction of above-mentioned technical proposal is, attaching capacitive touch screens photo-thermal dual curable optical cement
Refractive index 1.52-1.53 of stick, light transmittance >=99.0%, shrinkage factor 0-0.5%, shore A type hardness tester≤20.
Compared with prior art, the invention has the advantages that：Attaching capacitive touch screens of the present invention are double with photo-thermal
Solidify optical adhesive again, photo-thermal dual curable can be carried out；Have high index of refraction, high transmission rate, low colour brightness, soft,
The features such as low cure shrinkage, good reliability and anti-yellowing property are good, overcomes photo-thermal dual curable technology to need two kinds of reactions
The problem of functional group, only with acrylic double bond as curing functional groups, has simplified recipe ingredient, it is to avoid the residual of functional group, carries
High system functional group utilization rate, so that realize the photo-thermal dual curable of liquid optical cement.Modified existing resin, reduces simultaneously
To ITO（Tin indium oxide）, laser silver wire and FPC corrosivity, while improve its adhesive force, complete a kind of capacitive touch
The preparation of screen laminating photo-thermal dual curing adhesive is touched, and the transmitance of the adhesive is more than or equal to 99%；Refractive index after solidification
It is more than or equal to 1.52；Shrinkage factor is little to be equal to 0.5%；Shore A type hardness tester is less than or equal to 20.
Specific embodiment
The present invention proposes a kind of attaching capacitive touch screens photo-thermal dual curable optical adhesive, and which is by according to weight hundred
Divide and be grouped into than the group for calculating：Matrix resin 30%-50%；Resin of plastification 30%-50%；Activated monomer 10%-35%；Light trigger
1%-5%；Thermal initiator 1%-5%；Polymerization inhibitor 0.1-1%；Auxiliary agent 0.2%-2%.
The matrix resin is modified isoprene liquid rubber resin, by the modified system of ethylene glycol and isoprene rubber
, its preparation method is：There is single-esterification using the-COOH in the polyisoprene liquid rubber of screening with ethylene glycol,
- the COOH in polyisoprene liquid rubber is reacted away, reduces its corrosivity, at the same hydroxy-end capped, improve the adhesive force of resin.
The polyisoprene liquid rubber is selected from the trade mark products such as LIR-102, LIR-203 of Kuraray.
Described resin of plastification is polybutadiene liquid rubber, can select the terminal hydroxy group liquid polybutadiene of Degussa company
Alkene rubber (HTPB), homopolymerization liquid polybutadiene rubber LBR-305, LBR-300, LBR-307 of Kuraray and
The trade mark product such as PM4, P4-25P, P4150P of Synthomer.
Described activated monomer is the one kind in following material or is two or more mixture：Methyl-prop
Olefin(e) acid hydroxyl ethyl ester（HEMA, such as Guangzhou San Wang chemical materialss Products）, Hydroxypropyl methacrylate（HPMA, such as Guangzhou San Wang
Chemical materialss Products）, isobornyl acrylate（IBOA, such as Sartomer SR506）, Laurel acid methacrylate
（LMA, such as Changxing chemical company product E M315）, 3,3,5- trimethyl-cyclohexane acrylate（Such as Sartomer's product
SR420）, 1,6-HD double methacrylate（HDDA, such as Sartomer SR238）, acrylic acid DCPA（Such as Bath
Husband special type monomer DCPA）Deng.
Described light trigger is the one kind in following material or is two or more mixture：Cracking is anti-
Answer photoinitiator benzoin and its derivant, acetophenone derivs, acylphosphine oxide, such as 184,1173,907, TPO, BDK
Deng；The light trigger benzophenone of hydrogen elimination reaction mechanism and tertiary amine coordination compound, thioxanthone and its derivant, double imidazoles, such as
BP, BMS, MBB, ITX, EHA etc.；The Polymeric photoinitiators of oligomeric polyfunctional group-a- hydroxy-ketones, such as ESACURE ONE,
ESACURE150 etc.；Visible light initiator camphorquinone.
Described thermal initiator is the one kind in following material or is two or more mixture：Peroxidating
Thing initiator, azo-initiator.
The peroxide initiator is the one kind in following material or is two or more mixture：Cross
BP, lauroyl peroxide, isopropyl benzene hydroperoxide, tert-butyl hydroperoxide, di-t-butyl peroxide, peroxidating two
Isopropylbenzene, peroxidized t-butyl perbenzoate, peroxidating trimethylacetic acid tertiary butyl ester, methyl ethyl ketone peroxide, cyclohexanone peroxide, peroxide
Change two diisopropyl carbonates, di-cyclohexylperoxy di-carbonate.
The azo-initiator is the one kind in following material or two kinds of mixture：Azodiisobutyronitrile, idol
Two different heptonitrile of nitrogen.
The polymerization inhibitor is the one kind in following material or is two or more mixture：Phenolic inhibitor,
Quinones polymerization inhibitor.
The phenolic inhibitor is the one kind in following material or is two or more mixture：Phenol, right
Benzodiazepiness, 2,4-DNP, 2,6- dinitro p-cresols, 4- tert-butyl catechols.
The quinones polymerization inhibitor is the one kind in following material or is two or more mixture：1,4-benzoquinone,
Tetrachloroquinone, l, 4- naphthoquinone.
The auxiliary agent is the one kind in following material or is two or more mixture：Defoamer, levelling
Agent.
The defoamer is MTMS, three ethoxy acyloxy silane of vinyl, in hexa methoxy disilazane
A kind of.
The levelling agent is esters of acrylic acid levelling agent, is polyacrylate solution TEGO-370, TEGO-460, TEGO-
300th, BYK355, BYK3440, nonionic acrylic copolymer solution BYK380N, ion-type polyacrylate solution
One kind in BYK381, fluorine richness polyacrylate solution BYK388 etc..
Preparation method of the above-mentioned attaching capacitive touch screens with photo-thermal dual curable optical adhesive, which includes following step
Suddenly：
Step 1：According to percentage by weight, matrix resin 30%-50% is weighed；Resin of plastification 30%-50%；Activated monomer 10%-35%；
Light trigger 1%-5%；Thermal initiator 1%-5%；Polymerization inhibitor 0.1-1%；Auxiliary agent 0.2%-2%；
Step 2：Amount of activated monomer is taken, is first mixed with light trigger and polymerization inhibitor, ultrasonic disperse is uniform, add reactor；With
When take amount of activated monomer, mix with thermal initiator, high-speed stirred is uniformly dispersed, add reactor；Simultaneously by remaining activity
Monomer adds reactor with matrix resin, resin of plastification and auxiliary agent, stirs 2-3 hours, until stirring.
Technical scheme is further illustrated below by way of specific embodiment.
Embodiment 1
Take following each component：
Matrix resin：30g modification isoprene liquid rubber resins,
Resin of plastification：Hydroxyl terminated liquid polybutadiene rubber of the 40g trades mark for HTPB,
Activated monomer：23g isobornyl acrylate（IBOA, such as Sartomer SR506）,
Light trigger：1- hydroxy-cyciohexyl benzophenone of the 4.0g trades mark for I-184,
Thermal initiator：2.0g benzoyl peroxides,
Polymerization inhibitor：0.5g hydroquinone,
Auxiliary agent：0.5g, including the defoamer MTMS and the levelling agent of 0.25g of 0.25g, levelling agent selects board
Number for TEGO-370 esters of acrylic acid levelling agent（Polyacrylate solution）.
Above-mentioned each component is weighed according to weight, is carried out feeding, disperse, mix and stirring according to the preparation method,
To uniformly obtaining final product.
Through conversion, matrix resin accounts for 30.0%, and resin of plastification accounts for 40.0%, and activated monomer accounts for 23%, and light trigger accounts for 4.0%,
Thermal initiator accounts for 2.0%, and polymerization inhibitor accounts for 0.5%, auxiliary agent 0.5%.
Embodiment 2
Take following each component：
Matrix resin：40g modification isoprene liquid rubber resins,
Resin of plastification：The 30g trades mark are LBR-305 homopolymerization liquid polybutadiene rubber（Kuraray）,
Activated monomer：22g, including 12g isobornyl acrylate（IBOA, such as Sartomer SR506）And 10g lauric acid first
Base acrylate（LMA, such as Changxing chemical company product E M315）,
Light trigger：5.0g, is TPO's including 1- hydroxy-cyciohexyls benzophenone and the 1.0g trades mark that the 4.0g trades mark are I-184
2,4,6- trimethylbenzoy-dipheny phosphine oxides,
Thermal initiator：The isopropyl benzene hydroperoxide of 1.0g,
Polymerization inhibitor：The 2,4-DNP of 1.0g,
Auxiliary agent：1g, including the three ethoxy acyloxy silane of defoamer vinyl and the levelling agent of 0.5g of 0.5g, levelling agent selects the trade mark
Esters of acrylic acid levelling agent for BYK380N（Nonionic acrylic copolymer solution）.
Above-mentioned each component is weighed according to weight, carries out feeding, disperse, mix and stirring according to the preparation method, to equal
Even obtain final product.
Through conversion, matrix resin accounts for 40.0%, and resin of plastification accounts for 30.0%, and activated monomer accounts for 22%, and light trigger accounts for 5.0%,
Thermal initiator accounts for 1.0%, and polymerization inhibitor accounts for 1.0%, auxiliary agent 1.0%.
Embodiment 3
Take following each component：
Matrix resin：50g modification isoprene liquid rubber resins,
Resin of plastification：The 30g trades mark are LBR-307 homopolymerization liquid polybutadiene rubber（Kuraray）,
Activated monomer：10g, including 8g Laurel acid methacrylates（LMA, such as Changxing chemical company product E M315）And 2g
Hydroxyethyl methylacrylate（HEMA, such as Guangzhou San Wang chemical materialss Products）,
Light trigger：The 4.7g trades mark are light trigger ONE（The Polymeric photoinitiators of oligomeric polyfunctional group-a- hydroxy-ketones）,
Thermal initiator：5.0g cumyl peroxides,
Polymerization inhibitor：0.1g 1,4-benzoquinone,
Auxiliary agent：0.2g, including the defoamer hexa methoxy disilazane and the levelling agent of 0.1g of 0.1g, levelling agent selects the trade mark
Esters of acrylic acid levelling agent for BYK381（Ion-type polyacrylate solution）.
Above-mentioned each component is weighed according to weight, carries out feeding, disperse, mix and stirring according to the preparation method, to equal
Even obtain final product.
Through conversion, matrix resin accounts for 50.0%, and resin of plastification accounts for 30.0%, and activated monomer accounts for 10%, and light trigger accounts for 4.7%,
Thermal initiator accounts for 5.0%, and polymerization inhibitor accounts for 0.1%, auxiliary agent 0.2%.
Embodiment 4
Take following each component：
Matrix resin：30g modification isoprene liquid rubber resins,
Resin of plastification：The 50g trades mark are PM4 liquid polybutadiene rubbers（Synthomer）,
Activated monomer：16g, including 10g isobornyl acrylate（IBOA, such as Sartomer SR506）And the 3,3,5- of 6g
Trimethyl-cyclohexane acrylate（Such as Sartomer product SR420）,
Light trigger：1g, including 1- hydroxy-cyciohexyls benzophenone and 0.5g light trigger ONE that the 0.5g trades mark are I-184（Low
The Polymeric photoinitiators of poly- polyfunctional group-a- hydroxy-ketones）,
Thermal initiator：1.0g peroxidized t-butyl perbenzoates,
Polymerization inhibitor：1.0g tetrachloroquinones,
Auxiliary agent：1g, including the defoamer MTMS and the levelling agent of 0.5g of 0.5g, levelling agent from the trade mark is
The esters of acrylic acid levelling agent of BYK388（Fluorine richness polyacrylate solution）.
Above-mentioned each component is weighed according to weight, carries out feeding, disperse, mix and stirring according to the preparation method, to equal
Even obtain final product.
Through conversion, matrix resin accounts for 30.0%, and resin of plastification accounts for 50.0%, and activated monomer accounts for 16%, and light trigger accounts for 1.0%,
Thermal initiator accounts for 1.0%, and polymerization inhibitor accounts for 1.0%, auxiliary agent 1.0%.
Embodiment 5
Take following each component：
Matrix resin：30g modification isoprene liquid rubber resins,
Resin of plastification：The 30g trades mark are P4-25P liquid polybutadiene rubbers（Synthomer）,
Activated monomer：35g, including 25g isobornyl acrylate（IBOA, such as Sartomer SR506）And 10g 1,6- oneself
Diol acrylate（HDDA, such as Sartomer SR238）,
Light trigger：3g, including 2.5g light trigger ONE（The Polymeric photoinitiators of oligomeric polyfunctional group-a- hydroxy-ketones）With
And the 0.5g trades mark are 2,4, the 6- trimethylbenzoy-dipheny phosphine oxides of TPO,
Thermal initiator：1.0g methyl ethyl ketone peroxides,
Polymerization inhibitor：0.5g 1,4-naphthoquinones,
Auxiliary agent：0.5g, including the three ethoxy acyloxy silane of defoamer vinyl and the levelling agent of 0.25g of 0.25g, levelling agent is selected
Esters of acrylic acid levelling agent of the trade mark for TEGO-300（Polyacrylate solution）.
Above-mentioned each component is weighed according to weight, carries out feeding, disperse, mix and stirring according to the preparation method, to equal
Even obtain final product.
Through conversion, matrix resin accounts for 30.0%, and resin of plastification accounts for 30.0%, and activated monomer accounts for 35%, and light trigger accounts for 3.0%,
Thermal initiator accounts for 1.0%, and polymerization inhibitor accounts for 0.5%, auxiliary agent 0.5%.
Embodiment 6
Take following each component：
Matrix resin：34g modification isoprene liquid rubber resins,
Resin of plastification：The 42.5g trades mark are P4-150P liquid polybutadiene rubbers（Synthomer）,
Activated monomer：15g, including 10g isobornyl acrylate（IBOA, such as Sartomer SR506）And 5g acrylic acid is double
Cyclopentadiene ester（Such as BASF special type monomer DCPA）,
Light trigger：4g, including 3.0g light trigger ONE（The Polymeric photoinitiators of oligomeric polyfunctional group-a- hydroxy-ketones）With
And the 1.0g trades mark are 2,4, the 6- trimethylbenzoy-dipheny phosphine oxides of TPO,
Thermal initiator：2.0g di-isopropyl peroxydicarbonates,
Polymerization inhibitor：The l of 0.5g, 4- naphthoquinone,
Auxiliary agent：2g, including the three ethoxy acyloxy silane of defoamer vinyl and the levelling agent of 1.0g of 1.0g, levelling agent selects the trade mark
Esters of acrylic acid levelling agent for TEGO-300（Polyacrylate solution）.
Above-mentioned each component is weighed according to weight, carries out feeding, disperse, mix and stirring according to the preparation method, to equal
Even obtain final product.
Through conversion, matrix resin accounts for 34%, and resin of plastification accounts for 42.5%, and activated monomer accounts for 15%, and light trigger accounts for 4.0%, heat
Initiator accounts for 2.0%, and polymerization inhibitor accounts for 0.5%, auxiliary agent 2.0%.
Embodiment 7
Take following each component：
Matrix resin：38g modification isoprene liquid rubber resins,
Resin of plastification：The 38g trades mark are LBR-300 homopolymerization liquid polybutadiene rubber（Kuraray）,
Activated monomer：18g, including 8g isobornyl acrylate（IBOA, such as Sartomer SR506）, 8g lauric acid methyl-props
Olefin(e) acid ester（LMA, such as Changxing chemical company product E M315）And 2g Hydroxypropyl methacrylates（HPMA, such as Guangzhou San Wang chemical industry
Materials Co., Ltd's product）,
Light trigger：2g, is light trigger ONE including the 1.0g trades mark（The high-molecular optical of oligomeric polyfunctional group-a- hydroxy-ketones draws
Send out agent）And the 1.0g trades mark are the 1- hydroxy-cyciohexyl benzophenones of I-184,
Thermal initiator：3.0g azodiisobutyronitriles,
Polymerization inhibitor：The 4- tert-butyl catechols of 0.8g,
Auxiliary agent：0.2g, including the defoamer hexa methoxy disilazane and the levelling agent of 0.1g of 0.1g, levelling agent selects the trade mark
Esters of acrylic acid levelling agent for BYK355（Polyacrylate solution）.
Above-mentioned each component is weighed according to weight, carries out feeding, disperse, mix and stirring according to the preparation method, to equal
Even obtain final product.
Through conversion, matrix resin accounts for 38.0%, and resin of plastification accounts for 38.0%, and activated monomer accounts for 18%, and light trigger accounts for 2.0%,
Thermal initiator accounts for 3.0%, and polymerization inhibitor accounts for 0.8%, auxiliary agent 0.2%.
Embodiment 8
Take following each component：
Matrix resin：36g modification isoprene liquid rubber resins,
Resin of plastification：The 33g trades mark are LBR-307 homopolymerization liquid polybutadiene rubber（Kuraray）,
Activated monomer：25g, including 10g isobornyl acrylate（IBOA, such as Sartomer SR506）, 5g lauric acid methyl-props
Olefin(e) acid ester（LMA, such as Changxing chemical company product E M315）, 5g Hydroxypropyl methacrylates（HPMA, such as Guangzhou San Wang chemical industry material
Material Products）And 5g acrylic acid DCPAs（Such as BASF special type monomer DCPA）,
Light trigger：3g, is light trigger ONE including the 1.0g trades mark（The high-molecular optical of oligomeric polyfunctional group-a- hydroxy-ketones draws
Send out agent）, the 1.5g trades mark for I-184 1- hydroxy-cyciohexyls benzophenone and 0.5gTPO（2,4,6- trimethylbenzoyls-hexichol
Base phosphine oxide）,
Thermal initiator：2.0g 2,2'-Azobis(2,4-dimethylvaleronitrile),
Polymerization inhibitor：0.5g phenol,
Auxiliary agent：0.5g, including the defoamer hexa methoxy disilazane and the levelling agent of 0.25g of 0.25g, levelling agent selects board
Number for BYK3440 esters of acrylic acid levelling agent（Polyacrylate solution）.
Above-mentioned each component is weighed according to weight, carries out feeding, disperse, mix and stirring according to the preparation method, to equal
Even obtain final product.
Through conversion, matrix resin accounts for 36.0%, and resin of plastification accounts for 33.0%, and activated monomer accounts for 25%, and light trigger accounts for 3.0%,
Thermal initiator accounts for 2.0%, and polymerization inhibitor accounts for 0.5%, auxiliary agent 0.5%.
Performance test is carried out to adhesive samples obtained in above 8 embodiments, while HRJ-26H vertical with association of Japan, happy Thailand
3192 grade products are contrasted, mainly test its viscosity, solidification, light transmittance, refractive index, hardness, cure shrinkage, color inhibition and
The performances such as cold-resistant thermal shock.
Viscosity：Using NDJ-1 rotary viscosimeters, gelatin viscosity is tested at 25 DEG C.
Solidification：Using ETI UV energy meters and UV lamp, the energy requirement of its UV solidification is tested；Tested using baking oven and stopwatch
The temperature and time of its heat cure.
Light transmittance：Using NDH 5000W haze meters（Nippon Denshoku）Glued membrane light transmittance after measurement solidification；
Refractive index：Tested using abbe's refractometer, concrete grammar is according to ASTM D-1218；
Hardness：The glued membrane hardness that is tested after solidification using Shore durometer；
Cure shrinkage is tested, and first tests the density of its liquid with the method that graduated cylinder is weighed, and then carries out dispensing on glass solid
Change so that the glue after solidification for fritter drips, take a certain amount of glue drop and weigh, the liquid volume of a certain amount of glue drop can be calculated, so
Its solid-state lower volume is tested using drainage afterwards, reusable liquid volume deducts solid-state volume divided by liquid volume, obtain final product solidification and receive
Shrinkage；
Color inhibition is tested, and irradiates, carry out 30000 mJ/cm under uviol lamp2After the exposure of intensity, observation period xanthochromia situation is surveyed
Examination device LAB values, determine whether yellowing phenomenon by its color space.
Glass cover-plate and sensor, using each group adhesive, are carried out bonding laminating by reliability testing, after completion of cure,
Tested using thermal shock case, test condition：- 40 DEG C, 30min/85 DEG C, 30min × 240 are circulated.Then stand to
Room temperature, observe its bonding situation have without exception.
Test performance data such as table 1.
1 various embodiments of the present invention of table prepare the properties test table of product
By the performance test results and the contrast of table 1, this product can realize photo-thermal dual curable, while also having reached each
Performance indications of liquid optical cement, and properties are excellent, no less than the product of external excellent performance, and curing rate,
Also exceed in terms of refractive index and shrinkage factor.Be a kind of can the high transmission rate of photo-thermal dual curable, high index of refraction, soft,
The good capacitive touch screen Liquid optical adhesive of low cure shrinkage and anti-yellowing property.
Claims (6)
1. a kind of attaching capacitive touch screens photo-thermal dual curable optical adhesive, it is characterised in which is by following according to weight
The group that amount percentage ratio is calculated is grouped into：Matrix resin 30%-50%, resin of plastification 30%-50%, activated monomer 10%-35%, light-initiated
Agent 1%-5%, thermal initiator 1%-5%, polymerization inhibitor 0.1-1%, auxiliary agent 0.2%-2%；
The matrix resin is modified isoprene liquid rubber resin, and which is obtained by dihydroxylic alcohols and isoprene rubber are modified,
Its preparation method is：There is single-esterification, reaction using the-COOH in the polyisoprene liquid rubber of screening with dihydroxylic alcohols
Fall-the COOH in polyisoprene liquid rubber, reduce its corrosivity, at the same hydroxy-end capped, improve the adhesive force of resin；
The resin of plastification is polybutadiene liquid rubber；
The activated monomer is the one kind in following material or is two or more mixture：Hydroxyethyl methacrylate
Ethyl ester, Hydroxypropyl methacrylate, isobornyl acrylate, lauric acid acrylate, 3,3,5- trimethyl-cyclohexane acrylic acid
Ester, 1,6 hexanediol diacrylate, acrylic acid DCPA；
The light trigger is the one kind in following material or is two or more mixture：Cracking reaction class light
Initiator benzoin and its derivant, acetophenone derivs, acylphosphine oxide；The light trigger hexichol first of hydrogen elimination reaction mechanism
Ketone and tertiary amine coordination compound, thioxanthone and its derivant, double imidazoles；The high-molecular optical of oligomeric polyfunctional group-a- hydroxy-ketones causes
Agent；Visible light initiator camphorquinone；
The thermal initiator is the one kind in following material or is two or more mixture：Peroxide causes
Agent, azo-initiator；
The peroxide initiator is the one kind in following material or is two or more mixture：Peroxidating
Benzoyl, lauroyl peroxide, isopropyl benzene hydroperoxide, tert-butyl hydroperoxide, di-t-butyl peroxide, peroxidating diisopropyl
Benzene, peroxidized t-butyl perbenzoate, peroxidating trimethylacetic acid tertiary butyl ester, methyl ethyl ketone peroxide, cyclohexanone peroxide, peroxidating two
Diisopropyl carbonate, di-cyclohexylperoxy di-carbonate；
The azo-initiator is the mixture azodiisobutyronitrile of the one or two kinds of in following material, two different heptan of azo
Nitrile；
The polymerization inhibitor is the one kind in following material or is two or more mixture：Phenolic inhibitor, quinones
Polymerization inhibitor；
The phenolic inhibitor is the one kind in following material or is two or more mixture：Phenol, to benzene two
Phenol, 2,4-DNP, 2,6- dinitro p-cresols, 4- tert-butyl catechols；
The quinones polymerization inhibitor is the one kind in following material or is two or more mixture：1,4-benzoquinone, tetrachloro
Benzoquinone, l, 4- naphthoquinone；
The auxiliary agent is the one kind in following material or is two or more mixture：Defoamer, levelling agent；
The defoamer is in MTMS, three ethoxy acyloxy silane of vinyl or hexa methoxy disilazane
Kind；
The levelling agent be esters of acrylic acid levelling agent, be polyacrylate solution, nonionic acrylic copolymer solution, from
One kind in subtype polyacrylate solution or fluorine richness polyacrylate solution.
2. a kind of attaching capacitive touch screens photo-thermal dual curable optical adhesive according to claim 1, its feature
It is, the matrix resin is modified isoprene liquid rubber resin, which is that ethylene glycol is modified with isoprene rubber is obtained,
Its preparation method is：There is single-esterification, reaction using the-COOH in the polyisoprene liquid rubber of screening with ethylene glycol
Fall-the COOH in polyisoprene liquid rubber, reduce its corrosivity, at the same hydroxy-end capped, improve the adhesive force of resin.
3. a kind of attaching capacitive touch screens photo-thermal dual curable optical adhesive according to claim 1, its feature
It is, refractive index 1.52-1.53 of the attaching capacitive touch screens with photo-thermal dual curable optical adhesive, light transmittance >=
99.0%, shrinkage factor 0-0.5%, shore A type hardness tester≤20.
4. preparation side of a kind of attaching capacitive touch screens as claimed in claim 1 with photo-thermal dual curable optical adhesive
Method, it is characterised in which comprises the following steps：
Step 1：According to percentage by weight, weigh matrix resin 30%-50%, resin of plastification 30%-50%, activated monomer 10%-35%,
Light trigger 1%-5%, thermal initiator 1%-5%, polymerization inhibitor 0.1-1%, auxiliary agent 0.2%-2%；
Step 2：Amount of activated monomer is taken, is first mixed with light trigger and polymerization inhibitor, ultrasonic disperse is uniform, add reactor；With
When take amount of activated monomer, mix with thermal initiator, high-speed stirred is uniformly dispersed, add reactor；Simultaneously by remaining activity
Monomer adds reactor with matrix resin, resin of plastification and auxiliary agent, stirs 2-3 hours, until stirring；
The matrix resin is modified isoprene liquid rubber resin, and which is that dihydroxylic alcohols are modified with isoprene rubber is obtained,
Its preparation method is：There is single-esterification, reaction using the-COOH in the polyisoprene liquid rubber of screening with dihydroxylic alcohols
Fall-the COOH in polyisoprene liquid rubber, reduce its corrosivity, at the same hydroxy-end capped, improve the adhesive force of resin.
5. preparation method of the attaching capacitive touch screens according to claim 4 with photo-thermal dual curable optical adhesive,
Characterized in that, the matrix resin is modified isoprene liquid rubber resin, which is that ethylene glycol is changed with isoprene rubber
Property be obtained, its preparation method is：There is mono-esterification using the-COOH in the polyisoprene liquid rubber of screening with ethylene glycol anti-
Should ,-the COOH in polyisoprene liquid rubber is reacted away, reduces its corrosivity, at the same hydroxy-end capped, improve the attachment of resin
Power.
6. preparation method of the attaching capacitive touch screens according to claim 4 with photo-thermal dual curable optical adhesive,
Characterized in that, refractive index 1.52-1.53 of the attaching capacitive touch screens with photo-thermal dual curable optical adhesive, printing opacity
Rate >=99.0%, shrinkage factor 0-0.5%, shore A type hardness tester≤20.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610988245.9A CN106497438A (en) | 2016-11-10 | 2016-11-10 | A kind of attaching capacitive touch screens photo-thermal dual curable optical adhesive |
| PCT/CN2017/076033 WO2018086285A1 (en) | 2016-11-10 | 2017-03-09 | Photo-thermal dual-curing optical adhesive for gluing of capacitive touch screens and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610988245.9A CN106497438A (en) | 2016-11-10 | 2016-11-10 | A kind of attaching capacitive touch screens photo-thermal dual curable optical adhesive |
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|---|---|
| CN106497438A true CN106497438A (en) | 2017-03-15 |
Family
ID=58323743
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610988245.9A Pending CN106497438A (en) | 2016-11-10 | 2016-11-10 | A kind of attaching capacitive touch screens photo-thermal dual curable optical adhesive |
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| Country | Link |
|---|---|
| CN (1) | CN106497438A (en) |
| WO (1) | WO2018086285A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106978094A (en) * | 2017-04-25 | 2017-07-25 | 深圳市力邦新材料科技有限公司 | Optical cement, optical adhesive film and preparation method |
| CN110633022A (en) * | 2019-09-18 | 2019-12-31 | 业成科技（成都）有限公司 | Touch module and manufacturing method and application thereof |
| CN114774063A (en) * | 2022-04-15 | 2022-07-22 | 烟台万华聚氨酯合成材料有限公司 | Packaging adhesive for OLED flexible display screen and preparation method thereof |
| CN115975417A (en) * | 2022-12-30 | 2023-04-18 | 广东美涂士建材股份有限公司 | Visible light crosslinking environment-friendly coating and preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233648A (en) * | 2018-09-17 | 2019-01-18 | 烟台德邦科技有限公司 | Ultraviolet light/heating dual-curing adhesive |
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| CN103930511A (en) * | 2011-08-12 | 2014-07-16 | 汉高股份有限公司 | Optical transparent dual cure adhesives composition |
| CN104449419A (en) * | 2014-12-05 | 2015-03-25 | 烟台泰盛精化科技有限公司 | Ultraviolet-heat dual curing optical adhesive containing epoxidized polybutadiene resin |
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| CN110633022B (en) * | 2019-09-18 | 2022-07-01 | 业成科技（成都）有限公司 | Touch module and manufacturing method and application thereof |
| CN114774063A (en) * | 2022-04-15 | 2022-07-22 | 烟台万华聚氨酯合成材料有限公司 | Packaging adhesive for OLED flexible display screen and preparation method thereof |
| CN115975417A (en) * | 2022-12-30 | 2023-04-18 | 广东美涂士建材股份有限公司 | Visible light crosslinking environment-friendly coating and preparation method thereof |
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| Publication number | Publication date |
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| WO2018086285A1 (en) | 2018-05-17 |
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